There are more causes of diarrhoea in puppies. Food causes: sudden change of food, unclean food, gastrointestinal stress, etc. Bacterial: intestinal clostridia, dysbiosis, etc. Special attention should be paid to viral: microvirus, coronavirus, distemper virus enteritis type, etc. if the dog has not been vaccinated or if the vaccine is incomplete. Intestinal parasites: roundworms, coccidia, Giardia, Trichuris fetus, etc.
